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Julian J. Lewis 



Fig. 1. Distribution of the troglobitic Caecidotea of the southern Interior Low 

 Plateaus: Caecidotea bicrenata bicrenata (triangles); Caecidotea bicrenata whitei 

 (solid circles); Caecidotea bicrenata unidentified subspecies, lacking lateral pro- 

 cess on second pleopod endopod tip (stars); Caecidotea stygia (squares). The 

 stippled region, which comprises most of the range of C. b. whitei, is the Penny- 

 royal Plateau. 



